.timetable {
    text-align: center;
}

.timetable td {
    border: 1px dotted blue;
    border-radius: 3px;
    min-width: 60px;
    font-weight: bolder;
}

.timetable th {
    border: 1px dotted blue;
    border-radius: 3px;
    min-width: 60px;
    color: #a43c41;
}